CN104290600B - Detachable two-stage power takeoff device - Google Patents

Detachable two-stage power takeoff device Download PDF

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Publication number
CN104290600B
CN104290600B CN201410596116.6A CN201410596116A CN104290600B CN 104290600 B CN104290600 B CN 104290600B CN 201410596116 A CN201410596116 A CN 201410596116A CN 104290600 B CN104290600 B CN 104290600B
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CN
China
Prior art keywords
gear
level
differential
grades
power taking
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CN201410596116.6A
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Chinese (zh)
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CN104290600A (en
Inventor
杨世卿
谢立臣
王博
王一博
梁磊
章宏文
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长城汽车股份有限公司
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Priority to CN201410596116.6A priority Critical patent/CN104290600B/en
Publication of CN104290600A publication Critical patent/CN104290600A/en
Application granted granted Critical
Publication of CN104290600B publication Critical patent/CN104290600B/en

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Abstract

The invention provides a detachable two-stage power takeoff device which takes off power from a transmission provided with a differential. The detachable two-stage power takeoff device comprises a primary power takeoff unit and a secondary power takeoff unit, wherein the output end of the primary power takeoff unit is coaxially in linkage with the input end of the secondary power takeoff unit, the first power takeoff unit comprises a primary driving rotation member and a primary driven gear which are meshed with each other, and the primary driving rotation member is the differential of the transmission. Compared with the prior art, part quantity is decreased, the size of the power takeoff device is decreased, and accordingly an arrangement space is saved. In addition, a half shaft can be avoided, arrangement can be more flexible, and production cost can be reduced. The detachable two-stage power takeoff device is suitable for various transmissions provided with differentials and used for taking off power from the gear ring positions of the transmissions.

Description

The detachable power takeoff of twin-stage

Technical field

The present invention relates to power transmission and output mechanism technical field, and in particular to a kind of detachable power takeoff of twin-stage.

Background technology

Automobile power takeoff is generally mounted to the outside of change speed gear box, obtains power by the differential casing of change speed gear box.Take The input shaft of power apparatus is connected with the differential casing of change speed gear box, and input gear is installed on input shaft.

, by differential casing power taking, parts are more, and volume is larger for current twin-stage power takeoff, it is impossible to meet car load space Layout requirements.A kind of existing twin-stage power takeoff is shown in Fig. 1, and the first order of the power takeoff and second level power taking unit are all provided with In auxiliary-drive casing body, by two transverse axis, a longitudinal axis inside power takeoff, and a pair of cylindrical gear pairs, bevel-gear sett pairs Composition so that twin-stage power takeoff volume is larger;As power takeoff is by differential carrier right-hand member power taking, so the position of first order input shaft Put Chong Die with semiaxis, hollow axle need to be made so that semiaxis is passed therethrough, cause power takeoff in small distance with electromotor, installing space It is not enough.

The content of the invention

In view of this, it is contemplated that proposing a kind of detachable power takeoff of twin-stage, parts count is reduced, reduces power taking body Product, so as to the problem for saving arrangement space to overcome existing twin-stage power takeoff installing space not enough, while semiaxis can be avoided, makes Arrangement is more flexible, moreover it is possible to reduce production cost.

For reaching above-mentioned purpose, the technical scheme is that what is be achieved in that:

A kind of detachable power takeoff of twin-stage, power taking in the variator with differential mechanism, including one-level power taking unit and two grades Power taking unit, the input coaxial linkage of the outfan and two grades of power taking units of the one-level power taking unit, the one-level power taking Unit includes one-level driving rotary member, the one-level driven gear being meshed, and the one-level driving rotary member is the speed change The differential mechanism of device.

Further, the one-level driving rotary member is differential mechanism gear ring, and the one-level driven gear is wheel shaft and institute State the one-level driven cylindrical gear of the parallel setting of central axis of differential mechanism gear ring, the one-level driven cylindrical gear with it is described Differential mechanism gear ring is meshed.

Further, the one-level driving rotary member is linking with the differential mechanism gear ring on differential casing One-level driving gear, the one-level driven gear is for wheel shaft setting parallel with the central axis of the one-level driving gear Gear, the one-level driving gear are meshed with the one-level driven gear.

Further, the one-level driving gear and one-level driven gear, respectively one-level active roller gear, one-level Driven cylindrical gear.

Further, the one-level driving rotary member is the linkage gear structure on the differential mechanism gear ring, institute State the gear that one-level driven gear is wheel shaft setting parallel with the central axis of the differential mechanism gear ring;The linkage gear with The one-level driven gear is meshed.

Further, the linkage gear is roller gear, and the one-level driven gear is one-level driven cylindrical gear.

Further, the power output shaft of the one-level power taking unit is jackshaft, during the one-level driven gear is located at On countershaft;Two grades of power taking units include conllinear with the jackshaft and radially linkage two grades of driving shafts, output shafts, also wrap Include by two grades of drive bevel gear on two grades of driving shafts, and two grades of driven wheel of differential institute groups on output shaft Into gear pair.

Further, the jackshaft is axially connected with two grades of driving shafts Jing splines.

Further, the spline and the middle between centers and two grades of active between centers are gap in axial direction and match somebody with somebody Close.

Further, the one-level power taking unit is integrated in first shell body with the variator.

Further, two grades of power taking units are located at the second housing for being mutually fixedly connected with change speed gear box Jing bolts It is interior.

Relative to prior art, the detachable power takeoff of twin-stage of the present invention has the advantage that:

(1)The detachable power takeoff of twin-stage of the present invention, borrows component on the differential mechanism of variator itself as taking The first order driving mechanism of power device, power are driven by differential mechanism gear ring/linkage gear/one-level driving gear is transferred directly to one-level Gear, then bis- grades of power taking units of Jing output power.Power takeoff quantity on component is constituted is reduced, and volume reduces, so as to save Arrangement space is saved, while semiaxis can be avoided, makes arrangement more flexible, moreover it is possible to reduce production cost;

(2)One-level power taking unit is integrated with variator, inside variator, makes case of transmission keep which complete Whole property, and two grades of power taking units are separate unit, by independent housing envelope, are connected with one-level power taking unit by spline Connect, realize the feasibility of dismounting, and the exterior contour that variator can be kept complete after two grades of power taking unit disassemblings, and can protect The independence of two grades of power taking units of card, sealing are complete, as single-stage power takeoff device, fully functional, moreover it is possible to be easy to the installation of variator; If variator or power takeoff internal fault, overhaul also relatively easy;The safety clearance with electromotor is also assures that in addition;

(3)The one-level active rotation component of power takeoff is the linkage gear being provided with differential mechanism gear ring, and it is poor to avoid Fast device gear ring intensity is not enough.Because if active roller gear is differential mechanism gear ring, then differential mechanism gear ring will be born simultaneously Transmission countershaft and the power from one-level driven gear are higher to the intensity requirement of differential mechanism gear ring;

(4)The one-level driving gear of power takeoff can be shortened in power takeoff by the gear installed on differential casing The length of countershaft, so that jackshaft intensity is improved, while being more conducive to realize the miniaturization of volume.

The present invention is suitable for the power takeoff of the various variators with differential mechanism, for taking from the gear ring of differential mechanism Power.

Description of the drawings

The accompanying drawing for constituting the part of the present invention is used for providing a further understanding of the present invention, the schematic reality of the present invention Apply example and its illustrate, for explaining the present invention, not constituting inappropriate limitation of the present invention.In the accompanying drawings:

Fig. 1 is a kind of structural representation of twin-stage power takeoff of the prior art;

Fig. 2 is the overall structure diagram of the detachable power takeoff of twin-stage described in the embodiment of the present invention 1;

Fig. 3 is the overall structure diagram of the detachable power takeoff of twin-stage described in the embodiment of the present invention 2;

Fig. 4 is the overall structure diagram of the detachable power takeoff of twin-stage described in the embodiment of the present invention 3.

Description of reference numerals:

1- differential mechanisms, 2- one-level power taking units, bis- grades of power taking units of 3-, 4- differential mechanism gear rings, 5- jackshafts, 6- one-levels from Dynamic roller gear, bis- grades of driving shafts of 7-, 8- output shafts, bis- grades of drive bevel gear of 9-, bis- grades of driven wheels of differential of 10-, 11- linkage teeth Wheel, 12- one-level active roller gears.

Specific embodiment

It should be noted that in the case where not conflicting, the embodiment and the feature in embodiment in the present invention can phase Mutually combine.

Below with reference to the accompanying drawings and in conjunction with the embodiments describing the present invention in detail.

A kind of detachable power takeoff of 1 twin-stage of embodiment

The present embodiment power taking is in the variator with differential mechanism 1.

As shown in Fig. 2 the present embodiment includes one-level power taking unit 2 and two grades of power taking units 3, one-level power taking unit 2 it is dynamic The power intake coaxial linkage of power outfan and two grades of power taking units 3.Wherein:

(1)One-level power taking unit 2

One-level power taking unit 2 is integrated in the first housing with variator(Not shown in figure)It is interior.

One-level power taking unit 2 includes the gear ring of differential mechanism 1, i.e. differential mechanism gear ring 4, also including jackshaft 5 and is located at One-level driven cylindrical gear 6 on countershaft 5.One-level driven cylindrical gear 6 is meshed with differential mechanism gear ring 4

The setting parallel with the central axis of differential mechanism gear ring 4 of jackshaft 5, is hollow transverse axis, the left and right two of jackshaft 5 End is by bearings.

Differential mechanism gear ring 4 is meshed with one-level driven cylindrical gear 6.

(2)Two grades of power taking units 3

Two grades of power taking units 3 are in the second independent housing (not shown).Second housing can Jing bolts and speed change Case is mutually fixedly connected.

Two grades of power taking units 3 include two grades of driving shafts 7, output shaft 8, and two grades of actives on two grades of driving shafts 7 Bevel gear 9, two grades of driven wheels of differential 10 also on output shaft 8.

Output shaft 8 is the longitudinal axis, by the bearings positioning being separated by up and down.Two grades of drive bevel gear 9 and two grades are from mantle tooth Wheel 10 is meshed, and constitutes gear pair.

(3)Relation between one-level power taking unit 2 and two grades of power taking units 3

Two grades of driving shafts 7 are hollow transverse axis, and by bearings positioning, two grades of driving shafts 7 are with jackshaft 5 altogether at left and right two ends Line, and the realization that is axially connected of Jing splines radially links between the two.Between spline and middle between centers 5, spline and two grades of driving shafts 7 in Gap cooperation is axially.

In power taking, power is transferred directly to driven cylindrical gear 6 by differential mechanism gear ring 4 to the present embodiment, then successively in Jing After 5, two grades of countershaft, 7, two grades of driving shaft, 9, two grades of driven wheels of differential 10 of drive bevel gear, export from output shaft 8.

Between two grades of power taking units 3 and one-level power taking unit 2, Jing splines are attached, and can be split as needed.Two grades After power taking unit 3 is split between one-level power taking unit 2, can be used as single single-stage power taking unit.

Power takeoff quantity on component is constituted is reduced, and volume reduces, so as to save arrangement space, while half can be avoided Axle, makes arrangement more flexible, moreover it is possible to reduce production cost.

A kind of detachable power takeoff of 2 twin-stage of embodiment

The present embodiment power taking is in the variator with differential mechanism 1.

As shown in figure 3, the present embodiment includes one-level power taking unit 2 and two grades of power taking units 3, one-level power taking unit 2 it is dynamic The power intake coaxial linkage of power outfan and two grades of power taking units 3.Wherein:

(1)One-level power taking unit 2

One-level power taking unit 2 is integrated in the first housing with variator(Not shown in figure)It is interior.

One-level power taking unit 2 includes the linkage gear 11 located at differential mechanism 1, also including jackshaft 5 and located at jackshaft 5 On one-level driven cylindrical gear 6.

The setting parallel with the central axis of differential mechanism gear ring 4 of jackshaft 5, is hollow transverse axis, the left and right two of jackshaft 5 End is by bearings.

Linkage gear 11 is roller gear, and it is meshed with one-level driven cylindrical gear 6.

(2)Two grades of power taking units 3

Two grades of power taking units 3 are in the second independent housing (not shown).Second housing can Jing bolts and speed change Case is mutually fixedly connected.

Two grades of power taking units 3 include two grades of driving shafts 7, output shaft 8, and two grades of actives on two grades of driving shafts 7 Bevel gear 9, two grades of driven wheels of differential 10 also on output shaft 8.

Output shaft 8 is the longitudinal axis, by the bearings positioning being separated by up and down.Two grades of drive bevel gear 9 and two grades are from mantle tooth Wheel 10 is meshed, and constitutes gear pair.

(3)Relation between one-level power taking unit 2 and two grades of power taking units 3

Two grades of driving shafts 7 are hollow transverse axis, and left and right two ends are positioned by bearings.Two grades of driving shafts 7 are with jackshaft 5 altogether Line, and the realization that is axially connected of Jing splines radially links between the two.Between spline and jackshaft 5, a spline and two grades of driving shafts 7 in Gap cooperation is axially.

In power taking, power is transferred directly to driven circle by the linkage gear 11 linked with differential mechanism gear ring 4 to the present embodiment Stud wheel 6, then successively Jing after 5, two grades of jackshaft, 7, two grades of driving shaft, 9, two grades of driven wheels of differential 10 of drive bevel gear, from output Axle 8 is exported.

Between two grades of power taking units 3 and one-level power taking unit 2, Jing splines are attached, and can be split as needed.Two grades After power taking unit 3 is split between one-level power taking unit 2, can be used as single single-stage power taking unit.

Power takeoff quantity on component is constituted is reduced, and volume reduces, so as to save arrangement space, while half can be avoided Axle, makes arrangement more flexible, moreover it is possible to reduce production cost.

The one-level active rotation component of power takeoff is 11 structure of linkage gear being provided with differential mechanism gear ring 4, can be kept away Exempt from differential mechanism gear ring semi-finals degree deficiency and fail.Because if if one-level active rotation component is differential mechanism gear ring 4, then poor Fast device gear ring 4 will bear transmission countershaft and the power from one-level driven cylindrical gear 6 simultaneously, to differential mechanism gear ring 4 Intensity requirement is higher.

A kind of detachable power takeoff of 3 twin-stage of embodiment

The present embodiment power taking is in the variator with differential mechanism 1.

As shown in figure 4, the present embodiment includes one-level power taking unit 2 and two grades of power taking units 3, one-level power taking unit 2 it is dynamic The power intake coaxial linkage of power outfan and two grades of power taking units 3.Wherein:

(1)One-level power taking unit 2

One-level power taking unit 2 is integrated in the first housing with variator(Not shown in figure)It is interior.

One-level power taking unit 2 includes the one-level active roller gear on 1 housing of differential mechanism with the linkage of differential mechanism gear ring 4 12, also including jackshaft 5 and the one-level driven cylindrical gear 6 on jackshaft 5.

The setting parallel with the central axis of differential mechanism gear ring 4 of jackshaft 5, is hollow transverse axis, the left and right two of jackshaft 5 End is by bearings.

Differential mechanism gear ring 4 is meshed with one-level driven cylindrical gear 6.

(2)Two grades of power taking units 3

Two grades of power taking units 3 are in the second independent housing (not shown).Second housing can Jing bolts and speed change Case is mutually fixedly connected.

Two grades of power taking units 3 include two grades of driving shafts 7, output shaft 8, and two grades of actives on two grades of driving shafts 7 Bevel gear 9, two grades of driven wheels of differential 10 also on output shaft 8.

Output shaft 8 is the longitudinal axis, by the bearings positioning being separated by up and down.Two grades of drive bevel gear 9 and two grades are from mantle tooth Wheel 10 is meshed, and constitutes gear pair.

(3)Relation between one-level power taking unit 2 and two grades of power taking units 3

Two grades of driving shafts 7 are hollow transverse axis, and left and right two ends are positioned by bearings.Two grades of driving shafts 7 are with jackshaft 5 altogether Line, and the realization that is axially connected of Jing splines radially links between the two.Between spline and jackshaft 5, a spline and two grades of driving shafts 7 in Gap cooperation is axially.

In power taking, power is transferred directly to driven cylindrical gear 6 by one-level active roller gear 12 to the present embodiment, then according to It is secondary Jing after 5, two grades of jackshaft, 7, two grades of driving shaft, 9, two grades of driven wheels of differential 10 of drive bevel gear, export from output shaft 8.

Between two grades of power taking units 3 and one-level power taking unit 2, Jing splines are attached, and can be split as needed.Two grades After power taking unit 3 is split between one-level power taking unit 2, can be used as single single-stage power taking unit.

Power takeoff quantity on component is constituted is reduced, and volume reduces, so as to save arrangement space, while half can be avoided Axle, makes arrangement more flexible, moreover it is possible to reduce production cost.

The one-level driving gear 12 of the power takeoff of the present embodiment can shorten in power takeoff on the housing of differential mechanism 1 The length of countershaft 5, so that the intensity of jackshaft 5 is improved, while being more conducive to realize the miniaturization of volume.

Presently preferred embodiments of the present invention is the foregoing is only, not to limit the present invention, all essences in the present invention Within god and principle, any modification, equivalent substitution and improvements made etc. should be included within the scope of the present invention.

Claims (6)

1. the detachable power takeoff of a kind of twin-stage, power taking is in differential mechanism(1)Variator, the detachable power takeoff bag of the twin-stage Include one-level power taking unit(2)With two grades of power taking units(3), it is characterised in that the one-level power taking unit(2)Outfan and two Level power taking unit(3)Input coaxial linkage, the one-level power taking unit(2)Including the one-level active rotation structure being meshed Part, one-level driven gear, the one-level driving rotary member are the differential mechanism of the variator(1)Differential mechanism gear ring(4), set In differential mechanism(1)On housing with the differential mechanism gear ring(4)The one-level driving gear of linkage, or it is located at the differential mechanism gear ring (4)On linkage gear(11);The one-level power taking unit(2)Power output shaft be jackshaft(5), the one-level driven tooth Wheel is located at jackshaft(5)On;Two grades of power taking units(3)Including with the jackshaft(5)Two grades of conllinear and radial direction linkage Driving shaft(7), output shaft(8), also include by located at two grades of driving shafts(7)On two grades of drive bevel gear(9), Yi Jishe In output shaft(8)On two grades of driven wheels of differential(10)The gear pair for being constituted;The jackshaft(5)With two grades of driving shafts (7)Jing splines are axially connected;The spline and the jackshaft(5)Between, and two grades of driving shafts(7)Between in being axially Gap coordinates;The one-level power taking unit(2)It is integrated in first shell body with the variator;Two grades of power taking units(3) In the second shell body for being mutually fixedly connected with change speed gear box Jing bolts.
2. the detachable power takeoff of twin-stage according to claim 1, it is characterised in that the one-level driving rotary member is poor Fast device gear ring(4), the one-level driven gear is wheel shaft and the differential mechanism gear ring(4)The parallel setting of central axis one Level driven cylindrical gear(6), the one-level driven cylindrical gear(6)With the differential mechanism gear ring(4)It is meshed.
3. the detachable power takeoff of twin-stage according to claim 1, it is characterised in that the one-level driving rotary member is for setting In differential mechanism(1)On housing with the differential mechanism gear ring(4)The one-level driving gear of linkage, the one-level driven gear are wheel The gear of axle setting parallel with the central axis of the one-level driving gear, the one-level driving gear are driven with the one-level Gear is meshed.
4. the detachable power takeoff of twin-stage according to claim 3, it is characterised in that the one-level driving gear and one-level from Moving gear, respectively one-level active roller gear(12), one-level driven cylindrical gear(6).
5. the detachable power takeoff of twin-stage according to claim 1, it is characterised in that the one-level driving rotary member is for setting In the differential mechanism gear ring(4)On linkage gear(11), the one-level driven gear is wheel shaft and the differential mechanism gear ring(4) The parallel setting of central axis gear, the linkage gear(11)It is meshed with the one-level driven gear.
6. the detachable power takeoff of twin-stage according to claim 5, it is characterised in that the linkage gear(11)For Cylinder Gear Wheel, the one-level driven gear are one-level driven cylindrical gear(6).
CN201410596116.6A 2014-10-30 2014-10-30 Detachable two-stage power takeoff device CN104290600B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410596116.6A CN104290600B (en) 2014-10-30 2014-10-30 Detachable two-stage power takeoff device

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CN104290600B true CN104290600B (en) 2017-03-22

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105015333A (en) * 2015-04-11 2015-11-04 韦国宗 Multi-functional machinery driving machine with functions of shifting, thrust augmentation and energy conservation
KR101766028B1 (en) * 2015-08-24 2017-08-07 현대자동차주식회사 Recovered energy transfer apparatus for waste heat recovery system

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US4335796A (en) * 1980-09-11 1982-06-22 Deere & Company PTO Rear mounting
CN85107704A (en) * 1985-10-14 1987-03-18 任守信 The back takeoff output of walking machine and drive wheel interlock and control mechanism thereof
CN203110935U (en) * 2013-01-17 2013-08-07 重庆锐科摩托车配件有限公司 Two-gear power application and takeoff device
CN203697965U (en) * 2014-01-10 2014-07-09 欧孚迪汽车设计武汉有限公司 Front axle and clutch integrated structure

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JPH05213078A (en) * 1992-02-06 1993-08-24 Daihatsu Motor Co Ltd Pto device of transfer for automobile
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Patent Citations (4)

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Publication number Priority date Publication date Assignee Title
US4335796A (en) * 1980-09-11 1982-06-22 Deere & Company PTO Rear mounting
CN85107704A (en) * 1985-10-14 1987-03-18 任守信 The back takeoff output of walking machine and drive wheel interlock and control mechanism thereof
CN203110935U (en) * 2013-01-17 2013-08-07 重庆锐科摩托车配件有限公司 Two-gear power application and takeoff device
CN203697965U (en) * 2014-01-10 2014-07-09 欧孚迪汽车设计武汉有限公司 Front axle and clutch integrated structure

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